Flight Reliability
F9 3266 · Frontier Airlines
Denver → Philadelphia (DEN–PHL)
0
Bring Snacks
WanderNerd Reliability Score
- 36%
- Arrive within 15 minutes
- 115 min
- Average arrival delay
- 2.2%
- Cancelled
- 32 min
- Median arrival delay
Based on 45 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
F9 3266 arrived on time 46% of the time on Sundays and just 18% on Fridays. That gap is worth planning around.
Well behind the DEN–PHL route.
F9 3266 arrived on time 36% of the time, versus 73% across the DEN–PHL route.
Well behind the Frontier Airlines network.
F9 3266 arrived on time 36% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon42%(12 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu40%(10 flights)
- Fri18%(11 flights)
- Sat—(0 flights)
- Sun46%(11 flights)
40%
Aug
Jun 24% → Aug 40% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 24% | 17 |
| July 2025 | 47% | 17 |
| August 2025 | 40% | 10 |
- Departures on time
- 36%
- Diverted
- 0%
- Flights flown
- 44
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 45 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.